摘要：【中文】一种溺水事件检测方法及装置、计算机可读存储介质，所述溺水事件检测方法包括：获取N个第一摄像头采集到的实时图像；所述第一摄像头设置在游泳池壁上，且在垂直方向上所述第一摄像头的位置与游泳池水面之间的距离小于第一预设值；N为正整数；从所获取到的图像中，检测目标人物；获取所述目标人物相对于所述游泳池水面的沉浮频率；当检测到所述沉浮频率偏离目标频率值时，判定所述目标人物溺水。上述方案能够及时地发现溺水现象。 【EN】A drowning event detection method and device and a computer readable storage medium are provided, wherein the drowning event detection method comprises the following steps: acquiring real-time images acquired by the N first cameras; the first camera is arranged on the wall of the swimming pool, and the distance between the position of the first camera and the water surface of the swimming pool in the vertical direction is smaller than a first preset value; n is a positive integer; detecting a target person from the acquired image; acquiring the sinking and floating frequency of the target person relative to the water surface of the swimming pool; and when the sinking and floating frequency is detected to deviate from the target frequency value, judging that the target person is drowned. The drowning phenomenon can be discovered in time by the scheme.

摘要：【中文】本公开涉及一种固件保护方法及装置、电子设备，所述方法包括：在电子设备的启动过程中，利用固件校验算法对电子设备的固件的固件内容以及所述固件的加密数据进行处理，得到校验数据；基于所述校验数据和存储的参考数据的比较结果，确定所述固件的固件内容是否被篡改。本公开实施例可提高固件保护的通用性。 【EN】The disclosure relates to a firmware protection method and device and an electronic device, wherein the method comprises the following steps: in the starting process of the electronic equipment, processing the firmware content of the firmware of the electronic equipment and the encrypted data of the firmware by using a firmware verification algorithm to obtain verification data; determining whether firmware contents of the firmware are tampered based on a comparison result of the verification data and the stored reference data. The embodiment of the disclosure can improve the universality of firmware protection.

摘要：【中文】本公开涉及一种固件签名方法及装置、存储介质，所述方法包括：获取第一固件，以及所述第一固件的关联信息，所述第一固件为待执行签名的固件，所述关联信息包括所述第一固件的运行平台；根据所述第一固件的运行平台，确定所述第一固件中待签名的固件内容的第一位置，以及签名值被保存的第二位置；对所述第一位置的固件内容进行签名，得到签名值；将所述签名值以及为所述签名值分配的索引保存在所述第一固件的第二位置。本公开实施例可以减少设备成本、面积、提高通用化程度。 【EN】The disclosure relates to a firmware signing method and device, and a storage medium, wherein the method comprises the following steps: acquiring a first firmware and associated information of the first firmware, wherein the first firmware is a firmware to be signed, and the associated information comprises an operating platform of the first firmware; determining a first position of firmware content to be signed in the first firmware and a second position where a signature value is stored according to an operating platform of the first firmware; signing the firmware content of the first position to obtain a signature value; saving the signature value and an index assigned to the signature value in a second location of the first firmware. The embodiment of the disclosure can reduce equipment cost and area and improve the generalization degree.

摘要：【中文】本发明涉及天线设备技术领域，具体涉及一种用于可穿戴设备的天线组件和可穿戴设备。可穿戴设备包括壳体以及设置在壳体内的PCB板，该天线组件包括通信主天线、通信副天线和GPS/WIFI/BT天线，通信主天线设置在穿戴设备壳体的一侧，通信主天线和GPS/WIFI/BT天线分布在壳体另外一侧，充分利用穿戴设备的有效空间；另外，通信副天线和GPS/WIFI/BT天线之间设有连接线路将其连为一体，同时通信副天线以及GPS/WIFI/BT天线作为天线辐射体的同时通过两个天线中间额外的接地点与PCB地连接，把整体的PCB地部分整体往外延伸，和PCB一起为通信主天线提供更接近其1/4波长的谐振臂，为保证通信主天线取得一个好的谐振效果，从而有效提升通信主天线的带宽和效率，为可穿戴设备提供性能更好的通信体验。 【EN】The invention relates to the technical field of antenna equipment, in particular to an antenna assembly for wearable equipment and the wearable equipment. The wearable device comprises a shell and a PCB arranged in the shell, the antenna assembly comprises a main communication antenna, a secondary communication antenna and a GPS/WIFI/BT antenna, the main communication antenna is arranged on one side of the shell of the wearable device, and the main communication antenna and the GPS/WIFI/BT antenna are distributed on the other side of the shell, so that the effective space of the wearable device is fully utilized; in addition, be equipped with the interconnecting link between communication auxiliary antenna and GPS/WIFI/BT antenna and link it as an organic whole, communication auxiliary antenna and GPS/WIFI/BT antenna are connected through extra earth point in the middle of two antennas and PCB ground when as antenna radiator simultaneously, the partly whole outside extension of holistic PCB ground, provide the resonating arm that more is close to its 1/4 wavelength with PCB together for communication main antenna, obtain a good resonance effect for guaranteeing communication main antenna, thereby effectively promote the bandwidth and the efficiency of communication main antenna, provide better communication experience of performance for wearable equipment.

摘要：【中文】本公开涉及一种重连云端服务器的方法及电子设备，其包括：响应于与云端服务器断开网络连接，确定断开连接的故障原因；基于确定的故障原因，按照与故障原因对应的时间策略执行网络状态检测，直至故障消除；向所述云端服务器发送重连请求，重新建立与所述云端服务器的网络连接。本公开实施例可减少对云端的性能冲击。 【EN】The disclosure relates to a method for reconnecting a cloud server and an electronic device, comprising: responding to the disconnection of the network connection with the cloud server, and determining the fault reason of the disconnection; based on the determined fault reason, executing network state detection according to a time strategy corresponding to the fault reason until the fault is eliminated; and sending a reconnection request to the cloud server, and reestablishing the network connection with the cloud server. The embodiment of the disclosure can reduce the performance impact on the cloud.

摘要：【中文】一种溺水事件检测方法及装置、计算机可读存储介质，所述检测方法包括：获取N个第一摄像头采集到的实时图像以及M个第二摄像头采集到的实时图像；从所述N个第一摄像头采集到的实时图像中，识别出目标人物及所述目标人物在所述游泳池中的具体位置；根据所述N个第一摄像头采集到的实时图像，获取所述目标人物相对于所述游泳池水面的沉浮频率；根据所述M个第二摄像头采集到的实时图像，获取所述目标人物的泳姿信息；当所述沉浮频率偏离预设的目标频率值，且所述目标人物的泳姿信息异常时，判定所述目标人物溺水。上述方案能够及时地发现溺水现象。 【EN】A drowning event detection method and device and a computer-readable storage medium are provided, wherein the detection method comprises the following steps: acquiring real-time images acquired by the N first cameras and real-time images acquired by the M second cameras; identifying a target person and a specific position of the target person in the swimming pool from the real-time images acquired by the N first cameras; acquiring sinking and floating frequency of the target figure relative to the water surface of the swimming pool according to the real-time images acquired by the N first cameras; acquiring swimming stroke information of the target character according to the real-time images acquired by the M second cameras; and when the sinking and floating frequency deviates from a preset target frequency value and the swimming stroke information of the target character is abnormal, judging that the target character is drowned. The drowning phenomenon can be discovered in time by the scheme.

摘要：【中文】本发明公开了一种电力机车滤波系统(1)，所述电力机车的高压侧电路具有受电弓(2)以及牵引变压器(4)，处于所述牵引变压器(4)副边侧的牵引绕组(42)的电能通过牵引变流器(5)传递给牵引电机(6)，用以驱动所述电力机车运行。根据本发明，滤波系统(1)设置在所述受电弓(2)与所述牵引变压器(4)之间，并且具有受电弓侧串联的高压扼流圈(11)以及牵引变压器侧串联的LC滤波器(12)。 【EN】The invention discloses a filtering system (1) of an electric locomotive, wherein a high-voltage side circuit of the electric locomotive is provided with a pantograph (2) and a traction transformer (4), and electric energy of a traction winding (42) on the secondary side of the traction transformer (4) is transmitted to a traction motor (6) through a traction converter (5) so as to drive the electric locomotive to run. According to the invention, the filter system (1) is arranged between the pantograph (2) and the traction transformer (4) and has a high-voltage choke (11) connected in series on the pantograph side and an LC filter (12) connected in series on the traction transformer side.

摘要：【中文】本发明公开了一种路基挖掘链条及挖掘装置，涉及路基挖掘设备技术领域，包括：多个链节，所述链节一端设置有凸起部，链节另一端设置有凹陷部，相邻链节凸起部与凹陷部相配合，所述凸起部中间设置有槽口，所述凸起部端部贯穿设置有第一销孔，所述第一销孔一侧设置有螺纹孔，所述凹陷部两侧壁贯穿设置有铰接孔，所述铰接孔内设置有铰接销，铰接销两端均设置有滚轮，所述铰接销中部设置有第二销孔，相邻链节通过第一销孔和第二销孔内穿设的销轴构成转动连接，所述销轴外侧设置有压板；通过可断开式链条结构实现在不切断铁轨、不拆除轨排的情况下，对路基进行挖掘作业，工作效率高。 【EN】The invention discloses a roadbed excavating chain and an excavating device, which relate to the technical field of roadbed excavating equipment and comprise the following components: the chain comprises a plurality of chain links, wherein one end of each chain link is provided with a convex part, the other end of each chain link is provided with a concave part, the convex parts of adjacent chain links are matched with the concave parts, a notch is arranged in the middle of each convex part, the end part of each convex part is provided with a first pin hole in a penetrating way, one side of each first pin hole is provided with a threaded hole, two side walls of each concave part are provided with hinge holes in a penetrating way, each hinge hole is internally provided with a hinge pin, two ends of each hinge pin are provided with rolling wheels, the middle part of each hinge pin is provided with a second pin hole, the adjacent chain links are rotationally connected through pin; the road foundation is excavated under the conditions of not cutting off the rails and not dismantling the rail panels through the breakable chain structure, and the working efficiency is high.

摘要：【中文】本发明提供了一种全自动圆柱销的定程钻削装置及方法，它包括机架，所述机架的顶部中间部位固定安装有V形块，所述V形块的轴向一端安装有用于对待加工圆柱销进行定位及卸料的定位卸料装置，在其轴向另一端安装有用于进行钻孔和辅助定位的钻孔定位装置，所述V形块的径向两端分别安装有用于供料的上料滑道和用于压紧待加工圆柱销的夹紧装置。此装置能够对圆柱销进行轴向定程钻孔，同时满足零件在加工前的准确自动定位夹紧以及加工后的自动松夹卸料。 【EN】The invention provides a full-automatic fixed-distance drilling device and method for cylindrical pins, which comprises a rack, wherein a V-shaped block is fixedly arranged at the middle part of the top of the rack, a positioning and discharging device for positioning and discharging the cylindrical pins to be processed is arranged at one axial end of the V-shaped block, a drilling positioning device for drilling and auxiliary positioning is arranged at the other axial end of the V-shaped block, and a feeding slide way for feeding and a clamping device for pressing the cylindrical pins to be processed are respectively arranged at two radial ends of the V-shaped block. The device can be used for axially and fixedly drilling the cylindrical pin, and simultaneously, the accurate automatic positioning and clamping of the part before processing and the automatic loosening and clamping and discharging after processing are met.

摘要：【中文】本发明公开了一种存储器的老炼测试装置，包括PCB电路板；所述PCB电路板上设置至少两个测试工位，每个测试工位设置测试电路和连接插座，待测存储器通过所述连接插座与所述测试电路相连接；所述测试电路包括输入电路和输出电路，所述输入电路与所述待测存储器的信号输入端相连接，所述输入电路用于向所述待测存储器输入特定的测试信号；所述输出电路与所述待测存储器的信号输出端相连接，所述输出电路用于从所述待测存储器读取待测信号。本发明的老炼测试装置能够对存储器进行老炼测试，以测试存储器的可靠性。 【EN】The invention discloses a burn-in test device of a memory, which comprises a PCB circuit board; the PCB circuit board is provided with at least two test stations, each test station is provided with a test circuit and a connecting socket, and the memory to be tested is connected with the test circuit through the connecting socket; the test circuit comprises an input circuit and an output circuit, the input circuit is connected with the signal input end of the memory to be tested, and the input circuit is used for inputting a specific test signal to the memory to be tested; the output circuit is connected with the signal output end of the memory to be tested and used for reading the signal to be tested from the memory to be tested. The burn-in test device can burn-in test the memory to test the reliability of the memory.